Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Amazon - Kindle Oasis (3rd gen) | Kobo - Clara BW |
|---|---|---|
| Storage | 32 GB | 16 GB |
| Screen size | 7 " | 6 " |
| Weight | 188 g | 172 g |
Between the Kindle Oasis (3rd gen) and Clara BW, the Kindle Oasis (3rd gen) comes out ahead in storage / screen size, while the Clara BW wins on weight. Overall, the Kindle Oasis (3rd gen) scores 71.9 and the Clara BW scores 67.2 on our Mars Score.
Which should you buy?
The Kindle Oasis (3rd gen) edges ahead on the Mars Score (71.9 vs 67.2), but the 4.7-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Kindle Oasis (3rd gen) if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are storage, screen size. The single most decisive one: Storage — 100.00% more. 32 GB vs 16 GB.
Pick the Clara BW if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight. The single most decisive one: Weight — 16.00 g less. 172 vs 188.
Both ship with comparable resolution, waterproof, color screen, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Amazon - Kindle Oasis (3rd gen) or Kobo - Clara BW?
Amazon - Kindle Oasis (3rd gen) leads the current Mars Score by 4.7 points.The more useful decision is the trade-off behind that result: compare screen size, storage, weight against the way you will actually use the product.
Choose Amazon - Kindle Oasis (3rd gen) if…
Amazon - Kindle Oasis (3rd gen) has the measurable edge on storage gb, screen size in.
Choose Kobo - Clara BW if…
Kobo - Clara BW has the measurable edge on weight g.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Amazon - Kindle Oasis (3rd gen) wins
- ▲Storage — 100.00% more. 32 GB vs 16 GB.
- ▲Screen size — 16.67% more. 7 " vs 6 ".
Why Kobo - Clara BW wins
- ▲Weight — 16.00 g less. 172 vs 188.
Spec comparison
Display
| Spec | Amazon - Kindle Oasis (3rd gen) | Kobo - Clara BW |
|---|---|---|
| Screen size | 7 "lead | 6 " |
| Resolution | 300 ppi | 300 ppi |
| Color screen | false | false |
| Warm light | true | true |
Design
| Spec | Amazon - Kindle Oasis (3rd gen) | Kobo - Clara BW |
|---|---|---|
| Weight | 188 g | 172 glead |
| Waterproof | true | true |
| Page-turn buttons | truelead | false |
Storage & Battery
| Spec | Amazon - Kindle Oasis (3rd gen) | Kobo - Clara BW |
|---|---|---|
| Storageⓘ | 32 GBlead | 16 GB |
| Battery life | 6 weeks | 6 weeks |